<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css"/>
		<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
	</head>
	<body>
		<div class="container border bg-danger text-center py-5 align-middle">	container容器</div>
		<div class="container-fluid border btn-success text-center py-5 align-middle">	container容器</div>
	</body>
</html>
